Q: Is 311,472 a Prime Number?
A: No, 311,472 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 311472 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 103 108 112 126 144 168 189 206 216 252 309 336 378 412 432 504 618 721 756 824 927 1,008 1,236 1,442 1,512 1,648 1,854 2,163 2,472 2,781 2,884 3,024 3,708 4,326 4,944 5,562 5,768 6,489 7,416 8,652 11,124 11,536 12,978 14,832 17,304 19,467 22,248 25,956 34,608 38,934 44,496 51,912 77,868 103,824 155,736 and 311,472, with no remainder.
Since 311,472 cannot be divided by just 1 and 311,472, it is not a prime number.